Home / 709,465.30-1,064,195.15-210,829.30

Finding the Fourth Proportional to 709,465.30, 1,064,195.15 and 210,829.30

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Solution

The fourth proportional to 709,465.30, 1,064,195.15 and 210,829.30 is: 316,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,465.30 : 1,064,195.15 = 210,829.30 : x
  2. Step 2: Convert to fraction form
    709,465.30/1,064,195.15 = 210,829.30/x
  3. Step 3: Cross multiply
    709,465.30x = 1,064,195.15 × 210,829.30
  4. Step 4: Simplify right side
    709,465.30x = 224,363,518,537.90
  5. Step 5: Solve for x
    x = 224,363,518,537.90/709,465.30
  6. Step 6: Final answer
    x = 316,243.12

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.